Seven-angled pipewort
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Eriocaulaceae
- genus: Eriocaulon
- species: Eriocaulon aquaticum
Saint John
New BrunswickRawdon
Saint-Lambert-de-Lauzon
Quebec
CanadaLaPorte
IndianaEast Machias
MaineLake Shore
MarylandLudlow
MassachusettsCrandon Lakes
Folsom
New JerseyMount Vernon
Woodlawn
Virginia
United States